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Texas Instruments ADC1175CIMTC/NOPB
- Part No.:
- ADC1175CIMTC/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Analog to Digital Converters (ADC)
- Package:
- 24-TSSOP (0.173", 4.40mm Width)
- Datasheet:
-
ADC1175CIMTC/NOPB.pdf
- Description:
- IC ADC 8BIT TWO-STEP 24TSSOP
- Quantity:
- Payment:
- Shipping:
Inventory:318
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Product details
Overview
ADC1175CIMTC/NOPB from Texas Instruments is an 8-bit, 20 MSPS analog-to-digital converter with internal sample-and-hold, single +5V operation, TRI-STATE digital outputs, and 7.5 effective bits (ENOB) at 20 MHz. It consumes 60 mW typical power and features industry-standard TSSOP-24 pinout, making it suitable for video digitization in portable imaging systems.
For engineers reviewing the ADC1175CIMTC/NOPB datasheet, ADC1175CIMTC/NOPB pinout, ADC1175CIMTC/NOPB application, or ADC1175CIMTC/NOPB equivalent, key selection considerations include its self-biasable reference ladder (VRT/VRB), aperture jitter of 30 ps rms, pipeline latency of 2.5 clock cycles, and guaranteed no missing codes across −20°C to +75°C.
Technical Context
The ADC1175CIMTC/NOPB employs a unique high-speed architecture optimized for video bandwidth, achieving 120 MHz analog input bandwidth and supporting full-scale input signals up to 2.8 VP-P. Its conversion range is defined by externally configurable VRT (1.0 V to AVDD) and VRB (0 V to 4.0 V), with nominal self-biased values of 2.6 V and 0.6 V when VRTS/VRBS are shorted.
Sampling occurs on the falling edge of CLK; data appears at D0–D7 outputs after 2.5 clock cycles plus 16–19.5 ns output delay. OE controls TRI-STATE output enable/disable, and dual DVDD pins (Pin 11 and Pin 13) allow independent digital core and output driver supply scaling between 2.5 V and 5.25 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Resolution | 8-bit straight binary output - delivers discrete quantization levels for real-time video signal capture. |
| Max Sampling Rate | 20 MSPS minimum - supports NTSC/PAL-compliant video sampling at 17.7 MHz and higher. |
| ENOB | 7.5 bits typical at 20 MHz - indicates usable dynamic range equivalent to a noise-free 7.5-bit converter. |
| DNL | ±0.75 LSB maximum - ensures monotonicity and eliminates code ambiguities in critical imaging paths. |
| Aperture Jitter | 30 ps rms - limits SNR degradation to ≤46 dB at 4.43 MHz input, preserving color fidelity. |
| Power Consumption | 60 mW typical (excluding IREF) - enables battery-powered camera modules without thermal throttling. |
| Operating Temp | −20°C to +75°C - validated for commercial-grade embedded video and PC peripheral applications. |
Pinout & Package
TSSOP-24 package (Package Number PW), 0.65 mm pitch, thermally enhanced for stable operation at 92°C/W junction-to-ambient resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN (19) | Analog input | Signal acquisition node; conversion range set by VRT–VRB delta (1.0 V to 2.8 V); max 2.8 VP-P linear range. |
| CLK (12) | Sampling clock input | Falling-edge triggered; supports 1–30 MHz; initiates sample-and-hold acquisition with 3 ns aperture delay. |
| OE (1) | Output enable | Active-low control for TRI-STATE D0–D7; enables bus sharing in multi-device video subsystems. |
| D0–D7 (3–10) | Digital output data | CMOS/TTL-compatible; D0 = LSB, D7 = MSB; valid within 16–19.5 ns after CLK rising edge. |
| VRT (17) / VRB (23) | Reference ladder top/bottom | Define full-scale range; support self-bias (via VRTS/VRBS) or precision external biasing for gain/offset tuning. |
| DVDD (11,13) / AVDD (14,15,18) | Digital/analog supplies | Dual DVDD allows 2.5–5.25 V output driver voltage scaling; AVDD/DVDD must share source but be separately bypassed. |
| AVSS (20,21) / DVSS (2,24) | Analog/digital ground | Separate return paths required; must be joined near device to minimize ground bounce in mixed-signal layout. |
Key Features
| Feature | Design Value |
|---|---|
| Internal Sample-and-Hold | Eliminates need for external S/H circuitry, reducing BOM count and board area in compact video front-ends. |
| Self-Bias Reference Ladder | VRTS/VRBS pins enable 2.6 V / 0.6 V nominal reference without external resistors-simplifies design for cost-sensitive cameras. |
| TRI-STATE Outputs | Allows direct connection to shared data buses (e.g., microcontroller parallel interfaces) without external buffers. |
| Industry Standard Pinout | Enables drop-in replacement for legacy 8-bit ADCs in existing TSSOP-24 video capture designs. |
| No Missing Codes Guaranteed | Ensures deterministic behavior in closed-loop imaging systems where code gaps could cause visible artifacts. |
Applications
| Video Digitization | Digital Still Cameras |
|---|---|
Use Scenario: Digitizing composite NTSC/PAL video signals in USB video class (UVC) capture dongles. IC Role / Device Role / Timing Role: Primary A/D converter sampling at 17.7 MHz; provides 8-bit Y/C data stream to FPGA or USB bridge IC. Use Value: 7.3 ENOB at 4.43 MHz preserves chroma phase/gain accuracy (DP = 0.5°, DG = 0.4%) for broadcast-quality output. |
Use Scenario: Capturing preview frames in low-cost digital still cameras with CMOS image sensors. IC Role / Device Role / Timing Role: High-speed analog interface between sensor analog front-end and image processor's parallel bus. Use Value: 20 MSPS rate supports VGA (640×480) at 30 fps; 60 mW power enables thermal-safe integration in plastic housings. |
| PC Video Cameras | CCD Imaging Systems |
Use Scenario: Real-time video streaming in notebook-integrated webcams with minimal PCB space. IC Role / Device Role / Timing Role: Low-voltage digital I/O (DVDD = 3.3 V on Pin 11) interfaces directly to 3.3 V SoC parallel ports. Use Value: TRI-STATE outputs and industry-standard pinout reduce layout complexity and validation time for OEM designs. |
Use Scenario: Digitizing analog output from interline-transfer CCDs in industrial inspection cameras. IC Role / Device Role / Timing Role: Precision ADC with <1.3 LSB INL and guaranteed no missing codes ensures pixel-level linearity. Use Value: 120 MHz analog bandwidth accommodates fast-rising CCD reset pulses without slew-induced distortion. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar 8-bit, 20+ MSPS ADC applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MAX1180BCUI+ | 10-bit resolution, 40 MSPS, +3.3 V only, no internal reference bias resistors. | Higher resolution and speed, but requires external reference and level-shifting for +5 V systems. | Choose MAX1180BCUI+ when >8-bit depth and >20 MSPS are required; not pin-compatible. |
| AD9280ARSZ | 8-bit, 32 MSPS, +3.3 V supply, integrated 1.25 V reference, no VRT/VRB flexibility. | Fixed reference simplifies layout but eliminates programmable full-scale range adjustment. | Choose AD9280ARSZ for +3.3 V-only designs needing lower power (125 mW) and smaller footprint (28-lead SSOP). |
Compared with MAX1180BCUI+ and AD9280ARSZ, ADC1175CIMTC/NOPB uniquely supports +5 V single-supply operation with user-configurable reference ladder endpoints (VRT/VRB), enabling precise gain/offset calibration in analog video signal chains without additional DACs or op-amps.
Availability
ADC1175CIMTC/NOPB is available at Aetrix Electronics and suitable for video digitization, digital still cameras, and PC video cameras requiring stable component supply and long-term commercial temperature support.
Supply support for ADC1175CIMTC/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor leader specializing in analog, embedded processing, and high-performance data converters for industrial, automotive, and consumer applications.
The ADC1175CIMTC/NOPB belongs to TI's legacy high-speed video ADC family, designed specifically for cost-sensitive, low-power imaging systems requiring 8-bit resolution and 20+ MSPS throughput in compact TSSOP packages.
FAQ
What is the maximum clock frequency supported by the ADC1175CIMTC/NOPB?
The ADC1175CIMTC/NOPB is specified for minimum operation at 20 MSPS, but functional testing confirms reliable operation up to 30 MSPS. At 30 MHz, ENOB degrades to 6.5 bits and SINAD drops to 40.9 dB; for guaranteed specifications, use ≤20 MSPS per the datasheet's ensured limits.
Does the ADC1175CIMTC/NOPB require external reference components?
No - the ADC1175CIMTC/NOPB includes internal reference bias resistors and supports self-biasing: short VRT to VRTS and VRB to VRBS to generate nominal 2.6 V and 0.6 V references. External references are optional for precision trimming or non-standard full-scale ranges.
Can the ADC1175CIMTC/NOPB operate from a 3.3 V supply?
The ADC1175CIMTC/NOPB requires AVDD and DVDD (Pin 13) at +4.75 V to +5.25 V. However, DVDD (Pin 11) - powering only the output drivers - accepts 2.5 V to 5.25 V, enabling direct interfacing with 3.3 V logic while maintaining full analog performance.
How does the ADC1175CIMTC/NOPB handle input signals outside the VRT–VRB range?
Input voltages below VRB produce all-zero output codes (0x00); voltages above VRT produce all-ones codes (0xFF). Linear conversion occurs only between VRB and VRT. Signals exceeding 2.8 VP-P may cause non-monotonic behavior - stay within the specified 1.0 V to 2.8 V reference delta for guaranteed accuracy.
Is the ADC1175CIMTC/NOPB pin-compatible with other TI ADCs?
Yes - the ADC1175CIMTC/NOPB uses an industry-standard TSSOP-24 pinout explicitly documented as compatible with legacy video ADC footprints. Pin functions (e.g., CLK on Pin 12, OE on Pin 1, D0–D7 on Pins 3–10) match common 8-bit parallel-output ADC layouts.
ADC1175CIMTC/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 24-TSSOP (0.173", 4.40mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Number of Bits:
- 8
- Sampling Rate (Per Second):
- 20M
- Number of Inputs:
- 1
- Input Type:
- Single Ended
- Data Interface:
- Parallel
- Configuration:
- S/H-ADC
- Ratio - S/H:ADC:
- 1:1
- Number of A/D Converters:
- 1
- Architecture:
- Two-Step
- Reference Type:
- External, Internal
- Voltage - Supply, Analog:
- 5V
- Voltage - Supply, Digital:
- 5V
- Features:
- -
- Operating Temperature:
- -20°C ~ 75°C
- Supplier Device Package:
- 24-TSSOP
- Mounting Type:
- Surface Mount
- Grade:
- -
- Qualification:
- -
ADC1175CIMTC/NOPB FAQ
1.How can I place an order for ADC1175CIMTC/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for ADC1175CIMTC/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for ADC1175CIMTC/NOPB reliable?
The price and inventory of ADC1175CIMTC/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ADC1175CIMTC/NOPB is usually 5 days.
3.What payment methods are accepted for ADC1175CIMTC/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ADC1175CIMTC/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for ADC1175CIMTC/NOPB?
ADC1175CIMTC/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your ADC1175CIMTC/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for ADC1175CIMTC/NOPB?
For technical support, including ADC1175CIMTC/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ADC1175CIMTC/NOPB requirements.
6.How does Aetrix verify that ADC1175CIMTC/NOPB is sourced from the original manufacturer or authorized distributors?
All ADC1175CIMTC/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ADC1175CIMTC/NOPB meets industry standards.
7.What is the process for return or replacement of ADC1175CIMTC/NOPB?
All ADC1175CIMTC/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with ADC1175CIMTC/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The ADC1175CIMTC/NOPB part is unused and in its original packaging.
Return procedure for ADC1175CIMTC/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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